Add wasi-sdk-p1.cmake to the artifacts (#472)

Author: SingleAccretion

cmake/wasi-sdk-toolchain.cmake

@@ -154,6 +154,7 @@ copy_misc_file(src/config/config.sub misc)
 copy_misc_file(src/config/config.guess misc)
 copy_misc_file(wasi-sdk.cmake cmake)
 copy_misc_file(wasi-sdk-pthread.cmake cmake)
+copy_misc_file(wasi-sdk-p1.cmake cmake)
 copy_misc_file(wasi-sdk-p2.cmake cmake)
 copy_misc_file(cmake/Platform/WASI.cmake cmake/Platform)